simple black & white

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  09 September 2002
simple black & white

In photoshop 5.5, how do I export a color picture black & white?
  09 September 2002

Do it in a copy of the original before you accidentally hit "save" and loose the color version.

Beware: grayscale jpegs don't show up in internet browsers.

  09 September 2002
You could also use image->adjust->desaturate. Since it's not really grayscale, wouldn't those show up in internet browers?
  09 September 2002
yes offcourse, or convert it to grays and than back to rgb again
  09 September 2002
Another method:

Convert to lab color
Select Lightness channel
Duplicate Lightness channel into a new document
Convert this document to grayscale

The difference is not big, but converting this way results in a somewhat better conversion to grayscale (especially with flesh tones).

Grayscale images do show up in the browser (at least in mine ), and they are smaller too. CMYK images certainly do not show up in the browser..
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  09 September 2002
Another method, and one which allows you to do a lot of fine tuning, is to go to Image --> Adjust --> Channel Mixer and select the "monochrome" option. This way you can really spend hours balancing how the individual channels contribute to the final grayscale.
  09 September 2002
My mistake

Quote: Originally posted by Marcel
Grayscale images do show up in the browser (at least in mine ), and they are smaller too. CMYK images certainly do not show up in the browser..
  09 September 2002
My favorite method:

1) Add a Curves Adjustment Layer and leave it alone.
2) Add an HSB Ad-Layer and bring Sat all the way down.
3) Go back to Curves Ad-Layer and play with individual channels to manual adjust contrast.

Great trick. Works wonders for converting fleshtones to greyscale.
  01 January 2006
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